DSC distress relays can be transmitted by either（）or（）. -题库考试答案搜索网

DSC distress relays can be transmitted by either（）or（）.

单选题

2022-01-10 05:05

A、a coast station/a ship station
B、an EPIRB/a SART
C、ARQ/FEC
D、a back-up satellite/a land SAR unit

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正确答案

A

试题解析

标签： GMDSS

感兴趣题目

DSC distress relays can be transmitted by either（）or（）.

If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens? （）

The frequency（）the safety message will be transmitted shall be included in DSC safety call.

Microwave communication uses high-frequency(56)waves that travel in straightlines through the air. Because the waves cannot(57)with the curvature of the earth, they can be(58)only over short distance. Thus, microwave is a good(59)for sending data between buildings in a city or on a large college campus. For longer distances, the waves must be relayed by means of "dishes" or(60).These can be installed on towers, high buildings, and mountain tops.

Which message categories cannot be disabled by the GMDSS radio operator（）.

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）

DSC distress acknowledgements are normally transmitted by（）in respond to a receiver DSC distress call.

Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）

Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）

What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert（）.

If you are transmitting a distress message by radiotelephone you should（）.

What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）

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